Skuggaheimar/Threat Intelligence/AzorUlt Stealer
AZORULT STEALER
AZORULT
INFORMATION STEALER
ECRIME
Threat IntelligenceMalwareNovember 15, 2025•15 min read

AzorUlt Stealer: Threat Intelligence Profile

Information stealer targeting browser data and crypto wallets

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AzorUlt Stealer (also known as AzorUlt, PuffStealer) is a information stealer active since 2016. Information stealer targeting browser data and crypto wallets. Key characteristics include: browser credentials, crypto wallets, desktop files, FTP/email clients.

Overview & Background

Information stealer targeting browser data and crypto wallets. First identified in 2016, this threat is attributed to eCrime.

Threat Assessment

AzorUlt Stealer remains an active threat. Organizations should implement detection rules and monitor for indicators associated with this information stealer.

Technical Analysis

AzorUlt Stealer employs the following capabilities and techniques:

MITRE ATT&CK Mapping

TacticTechniqueUsage
Initial AccessT1566.001 Phishing AttachmentCommon delivery vector
ExecutionT1204.002 Malicious FileUser-triggered execution
PersistenceT1547.001 Registry Run KeysAutostart persistence
Defense EvasionT1027 Obfuscated FilesPayload obfuscation
C2T1071.001 Web ProtocolsHTTP/HTTPS C2

Detection & Defense

Defend Against AzorUlt Stealer

Mjolnir Security provides detection and response capabilities against AzorUlt Stealer and similar threats.

Threat DetectionIncident ResponseThreat HuntingMDR ServicesThreat Intelligence
  • Proactive Threat Hunting Hunt for AzorUlt Stealer indicators and TTPs within your environment.
  • Threat Intelligence Monitor AzorUlt Stealer campaigns and infrastructure changes.
  • 24/7 Incident Response Rapid containment and forensic investigation. Call +1 833 403 5875.
Written by: Mjolnir Security  |  Published: November 15, 2025
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